World's Best Scientists 2026 revealed!
Yoshizumi Kajii

Yoshizumi Kajii

D-Index & Metrics

Environmental Sciences

D-Index
52
Citations
7062
World Ranking
4607
National Ranking
78

Yoshizumi Kajii publication distribution in Environmental Sciences in 2026

The chart shows the distribution of publications by all Research.com ranked scientists in the field of Environmental Sciences in 2026. The highlighted bar marks where Yoshizumi Kajii sits on this spectrum.

41–50 publications: 21 scientists 51–60 publications: 62 scientists 61–70 publications: 133 scientists 71–80 publications: 257 scientists 81–90 publications: 361 scientists 91–100 publications: 440 scientists 101–110 publications: 492 scientists 111–120 publications: 541 scientists 121–130 publications: 617 scientists 131–140 publications: 544 scientists 141–150 publications: 541 scientists 151–160 publications: 539 scientists 161–170 publications: 444 scientists 171–180 publications: 444 scientists 181–190 publications: 400 scientists 191–200 publications: 377 scientists 201–210 publications: 318 scientists 211–220 publications: 282 scientists 221–230 publications: 263 scientists 231–240 publications: 220 scientists 241–250 publications: 217 scientists 251–260 publications: 180 scientists 261–270 publications: 181 scientists 271–280 publications: 155 scientists 281–290 publications: 130 scientists 291–300 publications: 127 scientists 301–310 publications: 130 scientists 311–320 publications: 85 scientists 321–330 publications: 106 scientists 331–340 publications: 80 scientists 341–350 publications: 83 scientists 351–360 publications: 75 scientists 361–370 publications: 69 scientists 371–380 publications: 52 scientists 381–390 publications: 54 scientists 391–400 publications: 56 scientists 401–410 publications: 44 scientists 411–420 publications: 40 scientists 421–430 publications: 36 scientists 431–440 publications: 25 scientists 441–450 publications: 25 scientists 451–460 publications: 32 scientists 461–470 publications: 29 scientists 471–480 publications: 21 scientists 481–490 publications: 26 scientists 491–500 publications: 26 scientists 501–510 publications: 17 scientists 511–520 publications: 19 scientists 521–530 publications: 15 scientists 531–540 publications: 22 scientists 541–550 publications: 12 scientists 551–560 publications: 15 scientists 561–570 publications: 11 scientists 571–580 publications: 19 scientists 581–590 publications: 9 scientists 591–600 publications: 9 scientists 601–610 publications: 7 scientists 611–620 publications: 11 scientists 621–630 publications: 5 scientists 631–640 publications: 5 scientists 641–650 publications: 6 scientists 651–660 publications: 3 scientists 661–670 publications: 3 scientists 671–680 publications: 4 scientists 681–689 publications: 4 scientists 690+ publications: 100 scientists
41 publications 690+

This scientist: 182 publications — 57th percentile

57% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 690 publications or more.

Yoshizumi Kajii D-index placement in Environmental Sciences in 2026

The chart shows the D-index (discipline H-index) distribution of Environmental Sciences scientists ranked by Research.com in 2026. The highlighted bar marks where Yoshizumi Kajii sits on this spectrum.

30 D-Index: 12 scientists 31 D-Index: 26 scientists 32 D-Index: 51 scientists 33 D-Index: 88 scientists 34 D-Index: 123 scientists 35 D-Index: 163 scientists 36 D-Index: 206 scientists 37 D-Index: 267 scientists 38 D-Index: 265 scientists 39 D-Index: 275 scientists 40 D-Index: 321 scientists 41 D-Index: 343 scientists 42 D-Index: 305 scientists 43 D-Index: 336 scientists 44 D-Index: 330 scientists 45 D-Index: 348 scientists 46 D-Index: 291 scientists 47 D-Index: 275 scientists 48 D-Index: 272 scientists 49 D-Index: 273 scientists 50 D-Index: 263 scientists 51 D-Index: 232 scientists 52 D-Index: 266 scientists 53 D-Index: 217 scientists 54 D-Index: 198 scientists 55 D-Index: 177 scientists 56 D-Index: 202 scientists 57 D-Index: 204 scientists 58 D-Index: 166 scientists 59 D-Index: 177 scientists 60 D-Index: 166 scientists 61 D-Index: 152 scientists 62 D-Index: 143 scientists 63 D-Index: 150 scientists 64 D-Index: 124 scientists 65 D-Index: 119 scientists 66 D-Index: 120 scientists 67 D-Index: 118 scientists 68 D-Index: 82 scientists 69 D-Index: 98 scientists 70 D-Index: 94 scientists 71 D-Index: 105 scientists 72 D-Index: 74 scientists 73 D-Index: 84 scientists 74 D-Index: 70 scientists 75 D-Index: 67 scientists 76 D-Index: 78 scientists 77 D-Index: 60 scientists 78 D-Index: 59 scientists 79 D-Index: 52 scientists 80 D-Index: 47 scientists 81 D-Index: 38 scientists 82 D-Index: 48 scientists 83 D-Index: 42 scientists 84 D-Index: 42 scientists 85 D-Index: 43 scientists 86 D-Index: 29 scientists 87 D-Index: 37 scientists 88 D-Index: 29 scientists 89 D-Index: 30 scientists 90 D-Index: 34 scientists 91 D-Index: 20 scientists 92 D-Index: 22 scientists 93 D-Index: 17 scientists 94 D-Index: 19 scientists 95 D-Index: 24 scientists 96 D-Index: 21 scientists 97 D-Index: 20 scientists 98 D-Index: 24 scientists 99 D-Index: 17 scientists 100 D-Index: 17 scientists 101 D-Index: 21 scientists 102 D-Index: 25 scientists 103 D-Index: 18 scientists 104 D-Index: 26 scientists 105 D-Index: 20 scientists 106 D-Index: 15 scientists 107 D-Index: 10 scientists 108 D-Index: 13 scientists 109 D-Index: 15 scientists 110 D-Index: 12 scientists 111 D-Index: 8 scientists 112 D-Index: 7 scientists 113 D-Index: 9 scientists 114 D-Index: 6 scientists 115 D-Index: 12 scientists 116 D-Index: 7 scientists 117 D-Index: 8 scientists 118 D-Index: 3 scientists 119 D-Index: 5 scientists 120 D-Index: 7 scientists 121 D-Index: 2 scientists 122 D-Index: 4 scientists 123 D-Index: 8 scientists 124 D-Index: 7 scientists 125 D-Index: 9 scientists 126+ D-Index: 92 scientists
30 D-Index 126+

This scientist: 52 D-Index — 55th percentile

55% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 126 D-Index or more.

Overview

Yoshizumi Kajii is affiliated with Kyoto University in Japan, concentrating on environmental science and earth and planetary sciences. Their research primarily addresses atmospheric science, health-related toxicology and mutagenesis, environmental engineering, automotive engineering, and global and planetary change.

The research topics covered by Yoshizumi Kajii emphasize:

  • Atmospheric chemistry and aerosols
  • Air quality and health impacts
  • Atmospheric ozone and climate
  • Air quality monitoring and forecasting
  • Vehicle emissions and performance
  • Energy and environment impacts
  • COVID-19 impact on air quality

They have published extensively in several scientific venues, with the most frequent publication venues including:

  • Atmospheric Environment
  • Environmental Science & Technology
  • The Science of The Total Environment
  • Atmospheric Environment X
  • Chemosphere

The list of recent papers authored or coauthored by Yoshizumi Kajii includes the following works:

  • "Aerosol Liquid Water Promotes the Formation of Water-Soluble Organic Nitrogen in Submicrometer Aerosols in a Suburban Forest," 2020, Environmental Science & Technology
  • "Characteristics of roadside volatile organic compounds in an urban area dominated by gasoline vehicles, a case study in Hanoi," 2020, Chemosphere
  • "Degradation of PAHs during long range transport based on simultaneous measurements at Tuoji Island, China, and at Fukue Island and Cape Hedo, Japan," 2020, Environmental Pollution
  • "Kinetics and impacting factors of HO 2 uptake onto submicron atmospheric aerosols during the 2019 Air QUAlity Study (AQUAS) in Yokohama, Japan," 2021, Atmospheric Chemistry and Physics
  • "Personal Exposure to Fine Particles (PM2.5) in Northwest Africa: Case of the Urban City of Bamako in Mali," 2022, International Journal of Environmental Research and Public Health

Frequent collaborators in the scholar's work encompass:

  • Yosuke Sakamoto
  • Kei Sato
  • Jiaru Li
  • Yasuhiro Sadanaga
  • Kentaro Murano

Best Publications

  • Export of atmospheric mercury from Asia

    Daniel Jaffe;Eric Prestbo;Phil Swartzendruber;Peter Weiss-Penzias

  • Characterization of Chromophoric Water-Soluble Organic Matter in Urban, Forest, and Marine Aerosols by HR-ToF-AMS Analysis and Excitation–Emission Matrix Spectroscopy

    Qingcai Chen;Yuzo Miyazaki;Kimitaka Kawamura;Kiyoshi Matsumoto

  • Influence of regional-scale anthropogenic activity in northeast Asia on seasonal variations of surface ozone and carbon monoxide observed at Oki, Japan

    Pakpong Pochanart;Jun Hirokawa;Yoshizumi Kajii;Hajime Akimoto

  • Transient absorption, lifetime and relaxation of C60 in the triplet state

    Yoshizumi Kajii;Takashi Nakagawa;Shinzo Suzuki;Yohji Achiba

  • Development of a measurement system of OH reactivity in the atmosphere by using a laser-induced pump and probe technique

    Yasuhiro Sadanaga;Ayako Yoshino;Keisuke Watanabe;Atsushi Yoshioka

  • HOx budgets during HOxComp: A case study of HOx chemistry under NOx-limited conditions

    Y F Elshorbany;Y F Elshorbany;J Kleffmann;A Hofzumahaus;R Kurtenbach

  • Regional background ozone and carbon monoxide variations in remote Siberia/East Asia

    Pakpong Pochanart;Hajime Akimoto;Yoshizumi Kajii;Vladimir M. Potemkin

  • The atmospheric impact of boreal forest fires in far eastern Siberia on the seasonal variation of carbon monoxide: Observations at Rishiri, A northern remote island in Japan

    Hiroshi Tanimoto;Yoshizumi Kajii;Jun Hirokawa;Hajime Akimoto

  • Boreal forest fires in Siberia in 1998: Estimation of area burned and emissions of pollutants by advanced very high resolution radiometer satellite data

    Yoshizumi Kajii;Yoshizumi Kajii;Shungo Kato;Shungo Kato;David G. Streets;Nancy Y. Tsai

  • Transport of anthropogenic aerosols from Asia and subsequent chemical transformation

    Akinori Takami;Takao Miyoshi;Akio Shimono;Naoki Kaneyasu

  • Measurements of OH reactivity and photochemical ozone production in the urban atmosphere.

    Yasuhiro Sadanaga;Ayako Yoshino;Shungo Kato;Yoshizumi Kajii

  • Atmospheric outflow of anthropogenic semivolatile organic compounds from East Asia in spring 2004.

    Toby Primbs;Staci Simonich;David Schmedding;Glenn Wilson

  • Measurement of total OH reactivity by laser-induced pump and probe technique—comprehensive observations in the urban atmosphere of Tokyo

    Ayako Yoshino;Yasuhiro Sadanaga;Keisuke Watanabe;Shungo Kato

  • Transport of atmospheric carbon monoxide, ozone, and hydrocarbons from Chinese coast to Okinawa island in the Western Pacific during winter

    Shungo Kato;Yoshizumi Kajii;Ryunosuke Itokazu;Jun Hirokawa

  • Technical Note: Formal blind intercomparison of OH measurements: results from the international campaign HOxComp

    E Schlosser;T Brauers;H P Dorn;H Fuchs

  • First direct measurements of formaldehyde flux via eddy covariance: implications for missing in-canopy formaldehyde sources

    J. P. DiGangi;E. S. Boyle;T. Karl;P. Harley

  • Development of a ground-based LIF instrument for measuring HOx radicals : Instrumentation and calibrations

    Yugo Kanaya;Yasuhiro Sadanaga;J. U. N. Hirokawa;Yoshizumi Kajii

  • Tropical tropospheric ozone observed in Thailand

    Pakpong Pochanart;Jiemjai Kreasuwun;Phaka Sukasem;Werathep Geeratithadaniyom

  • The influence of Siberian forest fires on carbon monoxide concentrations at Happo, Japan

    Shungo Kato;Pakpong Pochanart;Jun Hirokawa;Yoshizumi Kajii

  • Reactive and particulate mercury in the Asian marine boundary layer

    Duli Chand;Daniel Jaffe;Eric Prestbo;Philip C. Swartzendruber

  • Observations of glyoxal and formaldehyde as metrics for the anthropogenic impact on rural photochemistry

    J. P. Digangi;J. P. Digangi;S. B. Henry;A. Kammrath;A. Kammrath;E. S. Boyle

  • Air quality diagnosis from comprehensive observations of total OH reactivity and reactive trace species in urban central Tokyo

    Ayako Yoshino;Yoshihiro Nakashima;Koji Miyazaki;Shungo Kato

Frequent Co-Authors

Hajime Akimoto
Hajime Akimoto National Institute for Environmental Studies
Yugo Kanaya
Yugo Kanaya Japan Agency for Marine-Earth Science and Technology
Alex Guenther
Alex Guenther University of California, Irvine
Thomas Karl
Thomas Karl University of Innsbruck
Glenn M. Wolfe
Glenn M. Wolfe University of Maryland, Baltimore County
Hendrik Fuchs
Hendrik Fuchs Forschungszentrum Jülich
Christopher A. Cantrell
Christopher A. Cantrell University of Colorado Boulder
Martin Graus
Martin Graus University of Innsbruck
Hiroshi Tanimoto
Hiroshi Tanimoto National Institute for Environmental Studies
Harald Berresheim
Harald Berresheim University of Galway

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